Sanitize a document before releasing it to the press.
Sanitize history.
Word: "sanitize"
the same meaning

I can only stay for an hour.
After the trial period, she was asked to stay on and work full-time.
Word: "stay"
different meanings

He uttered harsh language.
The English language.
Word: "language"
the same meaning

He read his newspaper at breakfast.
Murdoch owns many newspapers.
Word: "newspaper"

different meanings